Deathtouch
Landfall — Whenever a land you control enters, Sandstorm Dancer acclimates.

Enchant creature
Enchanted creature gets -1/-1.
Sacrifice an artifact: Destroy enchanted creature.

Lifelink
Whenever Secluded Gorgon dies, you may bless target creature.

Approval — When Senators' Chauffeur enters, return up to one target creature card with mana value less than or equal to the number of colors among permanents you control from your graveyard to the battlefield.

{B}, Sacrifice Serrated Fossil: Choose a nonland card name. Target player reveals their hand and discards a card with that name if able. Activate only as a sorcery.
Surface {3}{B}{B}. Serrated Fossil surfaces transformed.

Whenever a nontoken creature you control dies, create a token that's a copy of it, except it's a Minion and has decayed.

When Shadow Sky enters and whenever you cast a spell, each creature target player controls gets -1/-1 until end of turn.

Menace
Whenever Ship Shredder enters or you cast a spell from your graveyard, each opponent loses 2 life and you gain 2 life.

{4}{B}: You draw a card and you lose 1 life. This ability costs {1} less to activate for each other Shrine you control. Activate only once each turn.

Landfall — Whenever Sifting Through Soot or a land you control enters, you gain 2 life and put a soot counter on Sifting Through Soot.
{B}, Remove two soot counters from Sifting Through Soot: Target player loses 2 life.
{3}{B}, Remove five soot counters from Sifting Through Soot: Return target artifact or creature card from your graveyard to the battlefield.

{3}: Integrate the top two cards of target player's library.
When Silverbone Chromate dies, you may sacrifice a permanent you control with two or more cards integrated onto it. If you do, return Silverbone Chromate from your graveyard to the battlefield tapped.

Silvereye Scout can't be blocked except by three or more creatures.

Flying, trample, lifelink
Ward—Pay 7 life.

Exile target creature or enchantment if its mana value is less than or equal to the number of spells named Singularity you've cast this game.

When Skarni Patrol enters, if you control an Equipment, you draw a card and you lose 1 life.
Pay 2 life: The next equip ability you activate this turn costs {2} less to activate. Activate only once each turn.

Whenever Skarni Raider attacks, if it's equipped, you draw a card and you lose 1 life.

Equipped creature gets +3/+0 and has menace.
Whenever a creature you control enters, if it wasn't cast, you may attach Skeleton Keytar to it.
Equip {5}

Flying
Favored
Whenever another legendary nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of it, except it has no name, it isn't legendary, and it is a Zombie.

When Smiling Sludge enters, create a Berry token.
Whenever you sacrifice a nonland permanent, target opponent loses 1 life and you gain 1 life.

Flying
Drop — When Soul Melter enters, if you didn't cast any creature spells during your last turn, each opponent loses 2 life and you gain 2 life.

Flying
When Soul's Sunset enters, exile up to two target cards from graveyards. You gain 2 life.
Surface {4}{B}{B}

Return up to three target cards from your graveyard to your hand. Exile Soulless Archive.

Flash

Menace
Surface {3}{B}{B}

Whenever Steelhorn Crusher or another artifact you control enters, artifact creatures you control gain menace until end of turn.